141 lines
4.6 KiB
C
141 lines
4.6 KiB
C
/****************************************************************************
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* net/inet/inet_globals.c
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <arpa/inet.h>
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#include <nuttx/net/ip.h>
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#ifdef CONFIG_NET_ETHERNET
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# include <net/ethernet.h>
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#endif
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#include "inet/inet.h"
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifdef CONFIG_NET_IPv4
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/* Increasing number used for the IP ID field. */
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uint16_t g_ipid;
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#endif /* CONFIG_NET_IPv4 */
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#ifdef CONFIG_NET_IPv6
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/* Unspecified address (all zero). See RFC 4291 (replaces 3513) */
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const net_ipv6addr_t g_ipv6_unspecaddr = /* An address of all zeroes */
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{
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
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};
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/* IPv6 Multi-cast IP addresses. See RFC 2375 */
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const net_ipv6addr_t g_ipv6_allnodes = /* All link local nodes */
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{
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HTONS(0xff02),
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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HTONS(0x0001)
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};
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#if defined(CONFIG_NET_ICMPv6_AUTOCONF) || defined(CONFIG_NET_ICMPv6_ROUTER) || \
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defined(CONFIG_NET_MLD)
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const net_ipv6addr_t g_ipv6_allrouters = /* All link local routers */
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{
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HTONS(0xff02),
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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HTONS(0x0002)
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};
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#ifdef CONFIG_NET_ICMPv6_AUTOCONF
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/* Link-Local Address: Link-local addresses have "1111 1110 10" for the
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* first ten bits followed by 54 zeroes and then the 64 bit interface
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* identifier (typically derived from the link layer MAC address).
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*/
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const net_ipv6addr_t g_ipv6_llnetmask = /* Netmask for local link address */
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{
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0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0x0000, 0x0000, 0x0000
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};
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#endif /* CONFIG_NET_ICMPv6_AUTOCONF */
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#ifdef CONFIG_NET_MLD
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/* Version 2 Multicast Listener Reports are sent with an IP destination
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* address of FF02:0:0:0:0:0:0:16 on which all MLDv2-capable multicast
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* routers listen (RFC 3810)
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*/
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const net_ipv6addr_t g_ipv6_allmldv2routers = /* All MLDv2 link local routers */
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{
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HTONS(0xff02),
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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HTONS(0x0016)
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};
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#endif
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#ifdef CONFIG_NET_ETHERNET
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/* IPv6 Multi-cast Ethernet addresses. Formed from the 16-bit prefix:
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*
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* 0x33:0x33:xx:xx:xx:xx:
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*
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* and the last 32-bits of the IPv6 IP address
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*/
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const struct ether_addr g_ipv6_ethallnodes = /* All link local nodes */
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{
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{ 0x33, 0x33, 0x00, 0x00, 0x00, 0x01 }
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};
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const struct ether_addr g_ipv6_ethallrouters = /* All link local routers */
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{
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{ 0x33, 0x33, 0x00, 0x00, 0x00, 0x02 }
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};
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#endif /* CONFIG_NET_ETHERNET */
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#endif /* CONFIG_NET_ICMPv6_AUTOCONF || CONFIG_NET_ICMPv6_ROUTER || CONFIG_NET_MLD */
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#endif /* CONFIG_NET_IPv6 */
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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